Personal exercise device



FIG. 1 is a side view of the design of a personal exercise device;

FIG. 2 is a perspective view of the personal exercise device shown in FIG. 1;

FIG. 3 is a second side view of the personal exercise device shown in FIG. 1;

FIG. 4 is a bottom plan view of the personal exercise device shown in FIG. 1;

FIG. 5 is a top plan view of the personal exercise device shown in FIG. 1;

FIG. 6 is a first end plan view of the personal exercise device shown in FIG. 1; and,

FIG. 7 is a second end plan view of the personal exercise device shown in FIG. 1.

The broken lines illustrate portions of the personal exercise device which form no part of the claimed design. 

The ornamental design for a personal exercise device, as shown and described. 